Title:
STRUCTURE FOR PREVENTING FIRE SPREAD OF VERTICAL CABLE DUCT
Document Type and Number:
Japanese Patent JP2011015492
Kind Code:
A
Abstract:
To provide a structure for preventing the fire spread of a cable duct, capable of suppressing the fire spread of a cable duct so constructed as to pierce a floor.
The structure for preventing the fire spread of the cable duct, which has a duct piercing a floor and a bundle of cables in which are a plurality of covered cables are bound and laid through a duct, has a fire spread preventing part at least at one point inside the duct. The fire spread preventing part includes a means for preventing the spread of a fire outside the cable bundle, and also the plurality of covered cables are bound with a binding force that does not damage the cover, and the diameter of the binding of the cable bundle is 410 mm or under.
Inventors:
HIRASE NORIAKI
MOROZUMI HIDEMI
ITO TAKASHI
SUDO ISAO
YAMAMURO HIDEYUKI
MOROZUMI HIDEMI
ITO TAKASHI
SUDO ISAO
YAMAMURO HIDEYUKI
Application Number:
JP2009155664A
Publication Date:
January 20, 2011
Filing Date:
June 30, 2009
Export Citation:
Assignee:
SUMITOMO METAL IND
International Classes:
H02G3/22; A62C3/16; H02G3/30; H02B1/20
Domestic Patent References:
| JPH03222968A | 1991-10-01 | |||
| JPH08126166A | 1996-05-17 | |||
| JPS62100117A | 1987-05-09 | |||
| JPH09250661A | 1997-09-22 | |||
| JP2000009108A | 2000-01-11 | |||
| JP2007312599A | 2007-11-29 | |||
| JPH06146434A | 1994-05-27 |
Attorney, Agent or Firm:
Tetsuro Hoshino
Akihiko Yamashita
Kishimoto Tatsuto
Akihiko Yamashita
Kishimoto Tatsuto
Previous Patent: AUTOMOBILE AND METHOD OF DIAGNOSING FAILURE
Next Patent: DISTRIBUTED POWER SUPPLY DEVICE
Next Patent: DISTRIBUTED POWER SUPPLY DEVICE